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3 monitors side by side.

6 h a day
  • Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
  • 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Acer XF270 M3 €13.32
  • iiyama XB2792HSU-B1 A €6.79
  • Dahua DHI-LM27-B201M €6.98
Model Acer XF270 M3 iiyama XB2792HSU-B1 A Dahua DHI-LM27-B201M
Running cost
Running cost (per year) €13.32 €6.79 €6.98
over 10 years €133 +€65 over 10 years €68 €70 +€2 over 10 years
kWh per year 46 23.4 24.1
kg CO₂e per year from electricity use 9.7 4.9 5.1
Specifications
Brand Acer iiyama Dahua
Model XF270 M3 XB2792HSU-B1 A DHI-LM27-B201M
Energy class E B B
Screen size 27″ (69 cm) 27″ (68.6 cm) 27″ (68.5 cm)
Power in on mode (SDR) 21 W 10.7 W 11 W
Energy class (HDR) G – –
Power in on mode (HDR) 28 W – –
Standby 0.5 W 0.5 W 0.5 W
Off mode 0.3 W 0.3 W 0.3 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LED LCD LED LCD LED LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply External Internal External
Guaranteed support 7 years 8 years 15 years
Software updates 8 years 8 years 8 years
Spare parts available 7 years 7 years 7 years
On the market since October 1, 2023 June 1, 2026 January 1, 2024
EPREL registration number 1663302 2692644 1904606

Rows where the models differ are highlighted.